libavutil/intreadwrite.h
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 /*
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
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 #ifndef AVUTIL_INTREADWRITE_H
 #define AVUTIL_INTREADWRITE_H
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 #include <stdint.h>
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 #include "libavutil/avconfig.h"
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 #include "attributes.h"
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 #include "bswap.h"
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 typedef union {
     uint64_t u64;
     uint32_t u32[2];
     uint16_t u16[4];
     uint8_t  u8 [8];
     double   f64;
     float    f32[2];
 } av_alias av_alias64;
 
 typedef union {
     uint32_t u32;
     uint16_t u16[2];
     uint8_t  u8 [4];
     float    f32;
 } av_alias av_alias32;
 
 typedef union {
     uint16_t u16;
     uint8_t  u8 [2];
 } av_alias av_alias16;
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 /*
  * Arch-specific headers can provide any combination of
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  * AV_[RW][BLN](16|24|32|48|64) and AV_(COPY|SWAP|ZERO)(64|128) macros.
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  * Preprocessor symbols must be defined, even if these are implemented
  * as inline functions.
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  */
 
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 #ifdef HAVE_AV_CONFIG_H
 
 #include "config.h"
 
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 #if   ARCH_ARM
 #   include "arm/intreadwrite.h"
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 #elif ARCH_AVR32
 #   include "avr32/intreadwrite.h"
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 #elif ARCH_MIPS
 #   include "mips/intreadwrite.h"
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 #elif ARCH_PPC
 #   include "ppc/intreadwrite.h"
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 #elif ARCH_TOMI
 #   include "tomi/intreadwrite.h"
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 #elif ARCH_X86
 #   include "x86/intreadwrite.h"
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 #endif
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 #endif /* HAVE_AV_CONFIG_H */
 
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 /*
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  * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers.
  */
 
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 #if AV_HAVE_BIGENDIAN
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 #   if    defined(AV_RN16) && !defined(AV_RB16)
 #       define AV_RB16(p) AV_RN16(p)
 #   elif !defined(AV_RN16) &&  defined(AV_RB16)
 #       define AV_RN16(p) AV_RB16(p)
 #   endif
 
 #   if    defined(AV_WN16) && !defined(AV_WB16)
 #       define AV_WB16(p, v) AV_WN16(p, v)
 #   elif !defined(AV_WN16) &&  defined(AV_WB16)
 #       define AV_WN16(p, v) AV_WB16(p, v)
 #   endif
 
 #   if    defined(AV_RN24) && !defined(AV_RB24)
 #       define AV_RB24(p) AV_RN24(p)
 #   elif !defined(AV_RN24) &&  defined(AV_RB24)
 #       define AV_RN24(p) AV_RB24(p)
 #   endif
 
 #   if    defined(AV_WN24) && !defined(AV_WB24)
 #       define AV_WB24(p, v) AV_WN24(p, v)
 #   elif !defined(AV_WN24) &&  defined(AV_WB24)
 #       define AV_WN24(p, v) AV_WB24(p, v)
 #   endif
 
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 #   if    defined(AV_RN32) && !defined(AV_RB32)
 #       define AV_RB32(p) AV_RN32(p)
 #   elif !defined(AV_RN32) &&  defined(AV_RB32)
 #       define AV_RN32(p) AV_RB32(p)
 #   endif
 
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 #   if    defined(AV_WN32) && !defined(AV_WB32)
 #       define AV_WB32(p, v) AV_WN32(p, v)
 #   elif !defined(AV_WN32) &&  defined(AV_WB32)
 #       define AV_WN32(p, v) AV_WB32(p, v)
 #   endif
 
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 #   if    defined(AV_RN48) && !defined(AV_RB48)
 #       define AV_RB48(p) AV_RN48(p)
 #   elif !defined(AV_RN48) &&  defined(AV_RB48)
 #       define AV_RN48(p) AV_RB48(p)
 #   endif
 
 #   if    defined(AV_WN48) && !defined(AV_WB48)
 #       define AV_WB48(p, v) AV_WN48(p, v)
 #   elif !defined(AV_WN48) &&  defined(AV_WB48)
 #       define AV_WN48(p, v) AV_WB48(p, v)
 #   endif
 
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 #   if    defined(AV_RN64) && !defined(AV_RB64)
 #       define AV_RB64(p) AV_RN64(p)
 #   elif !defined(AV_RN64) &&  defined(AV_RB64)
 #       define AV_RN64(p) AV_RB64(p)
 #   endif
 
 #   if    defined(AV_WN64) && !defined(AV_WB64)
 #       define AV_WB64(p, v) AV_WN64(p, v)
 #   elif !defined(AV_WN64) &&  defined(AV_WB64)
 #       define AV_WN64(p, v) AV_WB64(p, v)
 #   endif
 
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 #else /* AV_HAVE_BIGENDIAN */
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 #   if    defined(AV_RN16) && !defined(AV_RL16)
 #       define AV_RL16(p) AV_RN16(p)
 #   elif !defined(AV_RN16) &&  defined(AV_RL16)
 #       define AV_RN16(p) AV_RL16(p)
 #   endif
 
 #   if    defined(AV_WN16) && !defined(AV_WL16)
 #       define AV_WL16(p, v) AV_WN16(p, v)
 #   elif !defined(AV_WN16) &&  defined(AV_WL16)
 #       define AV_WN16(p, v) AV_WL16(p, v)
 #   endif
 
 #   if    defined(AV_RN24) && !defined(AV_RL24)
 #       define AV_RL24(p) AV_RN24(p)
 #   elif !defined(AV_RN24) &&  defined(AV_RL24)
 #       define AV_RN24(p) AV_RL24(p)
 #   endif
 
 #   if    defined(AV_WN24) && !defined(AV_WL24)
 #       define AV_WL24(p, v) AV_WN24(p, v)
 #   elif !defined(AV_WN24) &&  defined(AV_WL24)
 #       define AV_WN24(p, v) AV_WL24(p, v)
 #   endif
 
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 #   if    defined(AV_RN32) && !defined(AV_RL32)
 #       define AV_RL32(p) AV_RN32(p)
 #   elif !defined(AV_RN32) &&  defined(AV_RL32)
 #       define AV_RN32(p) AV_RL32(p)
 #   endif
 
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 #   if    defined(AV_WN32) && !defined(AV_WL32)
 #       define AV_WL32(p, v) AV_WN32(p, v)
 #   elif !defined(AV_WN32) &&  defined(AV_WL32)
 #       define AV_WN32(p, v) AV_WL32(p, v)
 #   endif
 
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 #   if    defined(AV_RN48) && !defined(AV_RL48)
 #       define AV_RL48(p) AV_RN48(p)
 #   elif !defined(AV_RN48) &&  defined(AV_RL48)
 #       define AV_RN48(p) AV_RL48(p)
 #   endif
 
 #   if    defined(AV_WN48) && !defined(AV_WL48)
 #       define AV_WL48(p, v) AV_WN48(p, v)
 #   elif !defined(AV_WN48) &&  defined(AV_WL48)
 #       define AV_WN48(p, v) AV_WL48(p, v)
 #   endif
 
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 #   if    defined(AV_RN64) && !defined(AV_RL64)
 #       define AV_RL64(p) AV_RN64(p)
 #   elif !defined(AV_RN64) &&  defined(AV_RL64)
 #       define AV_RN64(p) AV_RL64(p)
 #   endif
 
 #   if    defined(AV_WN64) && !defined(AV_WL64)
 #       define AV_WL64(p, v) AV_WN64(p, v)
 #   elif !defined(AV_WN64) &&  defined(AV_WL64)
 #       define AV_WN64(p, v) AV_WL64(p, v)
 #   endif
 
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 #endif /* !AV_HAVE_BIGENDIAN */
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 /*
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  * Define AV_[RW]N helper macros to simplify definitions not provided
  * by per-arch headers.
  */
 
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 #if defined(__GNUC__) && !defined(__TI_COMPILER_VERSION__)
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 union unaligned_64 { uint64_t l; } __attribute__((packed)) av_alias;
 union unaligned_32 { uint32_t l; } __attribute__((packed)) av_alias;
 union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
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 #   define AV_RN(s, p) (((const union unaligned_##s *) (p))->l)
 #   define AV_WN(s, p, v) ((((union unaligned_##s *) (p))->l) = (v))
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 #elif defined(__DECC)
 
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 #   define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p)))
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 #   define AV_WN(s, p, v) (*((__unaligned uint##s##_t*)(p)) = (v))
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 #elif AV_HAVE_FAST_UNALIGNED
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 #   define AV_RN(s, p) (((const av_alias##s*)(p))->u##s)
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 #   define AV_WN(s, p, v) (((av_alias##s*)(p))->u##s = (v))
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 #else
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 #ifndef AV_RB16
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 #   define AV_RB16(x)                           \
     ((((const uint8_t*)(x))[0] << 8) |          \
       ((const uint8_t*)(x))[1])
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 #endif
 #ifndef AV_WB16
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 #   define AV_WB16(p, darg) do {                \
         unsigned d = (darg);                    \
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         ((uint8_t*)(p))[1] = (d);               \
         ((uint8_t*)(p))[0] = (d)>>8;            \
     } while(0)
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 #endif
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 #ifndef AV_RL16
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 #   define AV_RL16(x)                           \
     ((((const uint8_t*)(x))[1] << 8) |          \
       ((const uint8_t*)(x))[0])
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 #endif
 #ifndef AV_WL16
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 #   define AV_WL16(p, darg) do {                \
         unsigned d = (darg);                    \
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         ((uint8_t*)(p))[0] = (d);               \
         ((uint8_t*)(p))[1] = (d)>>8;            \
     } while(0)
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 #endif
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 #ifndef AV_RB32
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 #   define AV_RB32(x)                                \
     (((uint32_t)((const uint8_t*)(x))[0] << 24) |    \
                (((const uint8_t*)(x))[1] << 16) |    \
                (((const uint8_t*)(x))[2] <<  8) |    \
                 ((const uint8_t*)(x))[3])
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 #endif
 #ifndef AV_WB32
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 #   define AV_WB32(p, darg) do {                \
         unsigned d = (darg);                    \
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         ((uint8_t*)(p))[3] = (d);               \
         ((uint8_t*)(p))[2] = (d)>>8;            \
         ((uint8_t*)(p))[1] = (d)>>16;           \
         ((uint8_t*)(p))[0] = (d)>>24;           \
     } while(0)
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 #endif
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 #ifndef AV_RL32
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 #   define AV_RL32(x)                                \
     (((uint32_t)((const uint8_t*)(x))[3] << 24) |    \
                (((const uint8_t*)(x))[2] << 16) |    \
                (((const uint8_t*)(x))[1] <<  8) |    \
                 ((const uint8_t*)(x))[0])
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 #endif
 #ifndef AV_WL32
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 #   define AV_WL32(p, darg) do {                \
         unsigned d = (darg);                    \
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         ((uint8_t*)(p))[0] = (d);               \
         ((uint8_t*)(p))[1] = (d)>>8;            \
         ((uint8_t*)(p))[2] = (d)>>16;           \
         ((uint8_t*)(p))[3] = (d)>>24;           \
     } while(0)
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 #endif
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 #ifndef AV_RB64
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 #   define AV_RB64(x)                                   \
     (((uint64_t)((const uint8_t*)(x))[0] << 56) |       \
      ((uint64_t)((const uint8_t*)(x))[1] << 48) |       \
      ((uint64_t)((const uint8_t*)(x))[2] << 40) |       \
      ((uint64_t)((const uint8_t*)(x))[3] << 32) |       \
      ((uint64_t)((const uint8_t*)(x))[4] << 24) |       \
      ((uint64_t)((const uint8_t*)(x))[5] << 16) |       \
      ((uint64_t)((const uint8_t*)(x))[6] <<  8) |       \
       (uint64_t)((const uint8_t*)(x))[7])
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 #endif
 #ifndef AV_WB64
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 #   define AV_WB64(p, darg) do {                \
         uint64_t d = (darg);                    \
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         ((uint8_t*)(p))[7] = (d);               \
         ((uint8_t*)(p))[6] = (d)>>8;            \
         ((uint8_t*)(p))[5] = (d)>>16;           \
         ((uint8_t*)(p))[4] = (d)>>24;           \
         ((uint8_t*)(p))[3] = (d)>>32;           \
         ((uint8_t*)(p))[2] = (d)>>40;           \
         ((uint8_t*)(p))[1] = (d)>>48;           \
         ((uint8_t*)(p))[0] = (d)>>56;           \
     } while(0)
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 #endif
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 #ifndef AV_RL64
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 #   define AV_RL64(x)                                   \
     (((uint64_t)((const uint8_t*)(x))[7] << 56) |       \
      ((uint64_t)((const uint8_t*)(x))[6] << 48) |       \
      ((uint64_t)((const uint8_t*)(x))[5] << 40) |       \
      ((uint64_t)((const uint8_t*)(x))[4] << 32) |       \
      ((uint64_t)((const uint8_t*)(x))[3] << 24) |       \
      ((uint64_t)((const uint8_t*)(x))[2] << 16) |       \
      ((uint64_t)((const uint8_t*)(x))[1] <<  8) |       \
       (uint64_t)((const uint8_t*)(x))[0])
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 #endif
 #ifndef AV_WL64
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 #   define AV_WL64(p, darg) do {                \
         uint64_t d = (darg);                    \
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         ((uint8_t*)(p))[0] = (d);               \
         ((uint8_t*)(p))[1] = (d)>>8;            \
         ((uint8_t*)(p))[2] = (d)>>16;           \
         ((uint8_t*)(p))[3] = (d)>>24;           \
         ((uint8_t*)(p))[4] = (d)>>32;           \
         ((uint8_t*)(p))[5] = (d)>>40;           \
         ((uint8_t*)(p))[6] = (d)>>48;           \
         ((uint8_t*)(p))[7] = (d)>>56;           \
     } while(0)
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 #endif
 
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 #if AV_HAVE_BIGENDIAN
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 #   define AV_RN(s, p)    AV_RB##s(p)
 #   define AV_WN(s, p, v) AV_WB##s(p, v)
 #else
 #   define AV_RN(s, p)    AV_RL##s(p)
 #   define AV_WN(s, p, v) AV_WL##s(p, v)
 #endif
 
 #endif /* HAVE_FAST_UNALIGNED */
 
 #ifndef AV_RN16
 #   define AV_RN16(p) AV_RN(16, p)
 #endif
 
 #ifndef AV_RN32
 #   define AV_RN32(p) AV_RN(32, p)
 #endif
 
 #ifndef AV_RN64
 #   define AV_RN64(p) AV_RN(64, p)
 #endif
 
 #ifndef AV_WN16
 #   define AV_WN16(p, v) AV_WN(16, p, v)
 #endif
 
 #ifndef AV_WN32
 #   define AV_WN32(p, v) AV_WN(32, p, v)
 #endif
 
 #ifndef AV_WN64
 #   define AV_WN64(p, v) AV_WN(64, p, v)
 #endif
 
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 #if AV_HAVE_BIGENDIAN
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 #   define AV_RB(s, p)    AV_RN##s(p)
 #   define AV_WB(s, p, v) AV_WN##s(p, v)
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 #   define AV_RL(s, p)    av_bswap##s(AV_RN##s(p))
 #   define AV_WL(s, p, v) AV_WN##s(p, av_bswap##s(v))
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 #else
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 #   define AV_RB(s, p)    av_bswap##s(AV_RN##s(p))
 #   define AV_WB(s, p, v) AV_WN##s(p, av_bswap##s(v))
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 #   define AV_RL(s, p)    AV_RN##s(p)
 #   define AV_WL(s, p, v) AV_WN##s(p, v)
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 #endif
 
 #define AV_RB8(x)     (((const uint8_t*)(x))[0])
 #define AV_WB8(p, d)  do { ((uint8_t*)(p))[0] = (d); } while(0)
 
 #define AV_RL8(x)     AV_RB8(x)
 #define AV_WL8(p, d)  AV_WB8(p, d)
 
 #ifndef AV_RB16
 #   define AV_RB16(p)    AV_RB(16, p)
 #endif
 #ifndef AV_WB16
 #   define AV_WB16(p, v) AV_WB(16, p, v)
 #endif
 
 #ifndef AV_RL16
 #   define AV_RL16(p)    AV_RL(16, p)
 #endif
 #ifndef AV_WL16
 #   define AV_WL16(p, v) AV_WL(16, p, v)
 #endif
 
 #ifndef AV_RB32
 #   define AV_RB32(p)    AV_RB(32, p)
 #endif
 #ifndef AV_WB32
 #   define AV_WB32(p, v) AV_WB(32, p, v)
 #endif
 
 #ifndef AV_RL32
 #   define AV_RL32(p)    AV_RL(32, p)
 #endif
 #ifndef AV_WL32
 #   define AV_WL32(p, v) AV_WL(32, p, v)
 #endif
 
 #ifndef AV_RB64
 #   define AV_RB64(p)    AV_RB(64, p)
 #endif
 #ifndef AV_WB64
 #   define AV_WB64(p, v) AV_WB(64, p, v)
 #endif
 
 #ifndef AV_RL64
 #   define AV_RL64(p)    AV_RL(64, p)
 #endif
 #ifndef AV_WL64
 #   define AV_WL64(p, v) AV_WL(64, p, v)
 #endif
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 #ifndef AV_RB24
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 #   define AV_RB24(x)                           \
     ((((const uint8_t*)(x))[0] << 16) |         \
      (((const uint8_t*)(x))[1] <<  8) |         \
       ((const uint8_t*)(x))[2])
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 #endif
 #ifndef AV_WB24
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 #   define AV_WB24(p, d) do {                   \
         ((uint8_t*)(p))[2] = (d);               \
         ((uint8_t*)(p))[1] = (d)>>8;            \
         ((uint8_t*)(p))[0] = (d)>>16;           \
     } while(0)
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 #endif
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 #ifndef AV_RL24
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 #   define AV_RL24(x)                           \
     ((((const uint8_t*)(x))[2] << 16) |         \
      (((const uint8_t*)(x))[1] <<  8) |         \
       ((const uint8_t*)(x))[0])
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 #endif
 #ifndef AV_WL24
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 #   define AV_WL24(p, d) do {                   \
         ((uint8_t*)(p))[0] = (d);               \
         ((uint8_t*)(p))[1] = (d)>>8;            \
         ((uint8_t*)(p))[2] = (d)>>16;           \
     } while(0)
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 #endif
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 #ifndef AV_RB48
 #   define AV_RB48(x)                                     \
     (((uint64_t)((const uint8_t*)(x))[0] << 40) |         \
      ((uint64_t)((const uint8_t*)(x))[1] << 32) |         \
      ((uint64_t)((const uint8_t*)(x))[2] << 24) |         \
      ((uint64_t)((const uint8_t*)(x))[3] << 16) |         \
      ((uint64_t)((const uint8_t*)(x))[4] <<  8) |         \
       (uint64_t)((const uint8_t*)(x))[5])
 #endif
 #ifndef AV_WB48
 #   define AV_WB48(p, darg) do {                \
         uint64_t d = (darg);                    \
         ((uint8_t*)(p))[5] = (d);               \
         ((uint8_t*)(p))[4] = (d)>>8;            \
         ((uint8_t*)(p))[3] = (d)>>16;           \
         ((uint8_t*)(p))[2] = (d)>>24;           \
         ((uint8_t*)(p))[1] = (d)>>32;           \
         ((uint8_t*)(p))[0] = (d)>>40;           \
     } while(0)
 #endif
 
 #ifndef AV_RL48
 #   define AV_RL48(x)                                     \
     (((uint64_t)((const uint8_t*)(x))[5] << 40) |         \
      ((uint64_t)((const uint8_t*)(x))[4] << 32) |         \
      ((uint64_t)((const uint8_t*)(x))[3] << 24) |         \
      ((uint64_t)((const uint8_t*)(x))[2] << 16) |         \
      ((uint64_t)((const uint8_t*)(x))[1] <<  8) |         \
       (uint64_t)((const uint8_t*)(x))[0])
 #endif
 #ifndef AV_WL48
 #   define AV_WL48(p, darg) do {                \
         uint64_t d = (darg);                    \
         ((uint8_t*)(p))[0] = (d);               \
         ((uint8_t*)(p))[1] = (d)>>8;            \
         ((uint8_t*)(p))[2] = (d)>>16;           \
         ((uint8_t*)(p))[3] = (d)>>24;           \
         ((uint8_t*)(p))[4] = (d)>>32;           \
         ((uint8_t*)(p))[5] = (d)>>40;           \
     } while(0)
 #endif
 
f4a7434f
 /*
  * The AV_[RW]NA macros access naturally aligned data
  * in a type-safe way.
  */
 
 #define AV_RNA(s, p)    (((const av_alias##s*)(p))->u##s)
 #define AV_WNA(s, p, v) (((av_alias##s*)(p))->u##s = (v))
 
 #ifndef AV_RN16A
 #   define AV_RN16A(p) AV_RNA(16, p)
 #endif
 
 #ifndef AV_RN32A
 #   define AV_RN32A(p) AV_RNA(32, p)
 #endif
 
 #ifndef AV_RN64A
 #   define AV_RN64A(p) AV_RNA(64, p)
 #endif
 
 #ifndef AV_WN16A
 #   define AV_WN16A(p, v) AV_WNA(16, p, v)
 #endif
 
 #ifndef AV_WN32A
 #   define AV_WN32A(p, v) AV_WNA(32, p, v)
 #endif
 
 #ifndef AV_WN64A
 #   define AV_WN64A(p, v) AV_WNA(64, p, v)
 #endif
 
af6dd6de
 /*
  * The AV_COPYxxU macros are suitable for copying data to/from unaligned
  * memory locations.
  */
 
 #define AV_COPYU(n, d, s) AV_WN##n(d, AV_RN##n(s));
 
 #ifndef AV_COPY16U
 #   define AV_COPY16U(d, s) AV_COPYU(16, d, s)
 #endif
 
 #ifndef AV_COPY32U
 #   define AV_COPY32U(d, s) AV_COPYU(32, d, s)
 #endif
 
 #ifndef AV_COPY64U
 #   define AV_COPY64U(d, s) AV_COPYU(64, d, s)
 #endif
 
 #ifndef AV_COPY128U
 #   define AV_COPY128U(d, s)                                    \
     do {                                                        \
         AV_COPY64U(d, s);                                       \
         AV_COPY64U((char *)(d) + 8, (const char *)(s) + 8);     \
     } while(0)
 #endif
 
f6d03906
 /* Parameters for AV_COPY*, AV_SWAP*, AV_ZERO* must be
  * naturally aligned. They may be implemented using MMX,
  * so emms_c() must be called before using any float code
  * afterwards.
  */
 
7a6053ef
 #define AV_COPY(n, d, s) \
     (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)
f6d03906
 
8ef4e65e
 #ifndef AV_COPY16
 #   define AV_COPY16(d, s) AV_COPY(16, d, s)
 #endif
 
6c88973a
 #ifndef AV_COPY32
 #   define AV_COPY32(d, s) AV_COPY(32, d, s)
 #endif
 
f6d03906
 #ifndef AV_COPY64
 #   define AV_COPY64(d, s) AV_COPY(64, d, s)
 #endif
 
 #ifndef AV_COPY128
 #   define AV_COPY128(d, s)                    \
     do {                                       \
         AV_COPY64(d, s);                       \
         AV_COPY64((char*)(d)+8, (char*)(s)+8); \
     } while(0)
 #endif
 
7a6053ef
 #define AV_SWAP(n, a, b) FFSWAP(av_alias##n, *(av_alias##n*)(a), *(av_alias##n*)(b))
f6d03906
 
 #ifndef AV_SWAP64
 #   define AV_SWAP64(a, b) AV_SWAP(64, a, b)
 #endif
 
7a6053ef
 #define AV_ZERO(n, d) (((av_alias##n*)(d))->u##n = 0)
 
8ef4e65e
 #ifndef AV_ZERO16
 #   define AV_ZERO16(d) AV_ZERO(16, d)
 #endif
 
7a6053ef
 #ifndef AV_ZERO32
 #   define AV_ZERO32(d) AV_ZERO(32, d)
 #endif
f6d03906
 
 #ifndef AV_ZERO64
 #   define AV_ZERO64(d) AV_ZERO(64, d)
 #endif
 
 #ifndef AV_ZERO128
 #   define AV_ZERO128(d)         \
     do {                         \
         AV_ZERO64(d);            \
         AV_ZERO64((char*)(d)+8); \
     } while(0)
 #endif
 
98790382
 #endif /* AVUTIL_INTREADWRITE_H */